Home / 487,965.22-673,413.05-270,173.89

Finding the Fourth Proportional to 487,965.22, 673,413.05 and 270,173.89

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Solution

The fourth proportional to 487,965.22, 673,413.05 and 270,173.89 is: 372,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,965.22 : 673,413.05 = 270,173.89 : x
  2. Step 2: Convert to fraction form
    487,965.22/673,413.05 = 270,173.89/x
  3. Step 3: Cross multiply
    487,965.22x = 673,413.05 × 270,173.89
  4. Step 4: Simplify right side
    487,965.22x = 181,938,625,946.58
  5. Step 5: Solve for x
    x = 181,938,625,946.58/487,965.22
  6. Step 6: Final answer
    x = 372,851.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.